[Bug 103885] [CI] igt at perf_pmu@rc6p - fail - Failed assertion: (double)(idle[i] - prev[i]) <= (1.0 + tolerance) * (double)slept && (double)(idle[i] - prev[i]) >= (1.0 - tolerance) * (double)slept

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Nov 24 21:45:42 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=103885

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
The test is obsolete from

commit 3452fa3095e91acbcb1f6290e0d70fa7d3695a3a
Author: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Date:   Fri Nov 24 17:13:31 2017 +0000

    drm/i915/pmu: Aggregate all RC6 states into one counter

    Chris has discovered that RC6, RC6p and RC6pp counters are mutually
    exclusive, and even that on some SNB SKUs you get RC6p increasing, and on
    the others RC6.

    Furthermore RC6p and RC6pp were only present starting from GEN6 until,
    GEN7, not including Haswell.

    All this combined makes it questionable whether we need to reserve new ABI
    for these counters. One idea was to just combine them all under the RC6
    counter to simplify things for userspace. So that is what this patch does.

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